the brain
wire
nerve
muscle
spinal cord
brains
a nerve
all of the above
liver cells
skin cells
stem cells
muscle cells
pyramidal neurons
multipolar neurons
bipolar neurons
Purkinje neurons
glial cells
prison cells
they help carry oxygen to different parts of your body
they regenerate very quickly
they are very long compared to other cells in the body
they do not have a nucleus
10 years
1 year
1 month
100 years
telegraph
hormonal
electrical impulses
proteins
1 meter per second
100 miles per hour
150 meters per second
1 foot per second
True or False: Damage to your nervous system can cause paralysis.